Fig. 6. A–C in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America

Fig. 6. A–C. Hoploscaphites plenus (Meek, 1876), microconch, USNM 365 (5 Scaphites nodosus var. quadrangularis, paratype, cast), illustrated in Meek (1876: pl. 25, fig. 4), said to be from the Pierre Shale on the ''Yellowstone River, Montana, 150 miles above its mouth,'' and probably, more specifically, from the Cedar Creek Anticline, Dawson County, Montana. A. Right lateral; B. ventral; C. left lateral. D–G.